<?php
declare(strict_types=1);

namespace Esun\Video\Model;

use Magento\Framework\Exception\LocalizedException;
use Symfony\Component\Process\Process;

class Ffmpeg
{
    public function __construct(private readonly Config $config)
    {
    }

    public function createCover(string $videoFile, string $coverFile): void
    {
        $process = new Process([
            $this->config->getFfmpegBinary(),
            '-hide_banner',
            '-loglevel', 'error',
            '-ss', '1',
            '-i', $videoFile,
            '-frames:v', '1',
            '-q:v', '2',
            '-y',
            $coverFile,
        ]);
        $process->setTimeout(60);

        try {
            $process->run();
        } catch (\Throwable $e) {
            throw new LocalizedException(__('Unable to run ffmpeg: %1', $e->getMessage()));
        }

        if (!$process->isSuccessful() || !is_file($coverFile) || filesize($coverFile) === 0) {
            throw new LocalizedException(
                __('ffmpeg failed to create the cover image: %1', trim($process->getErrorOutput()) ?: __('unknown error'))
            );
        }
    }
}